linux-kernel - Re: [PATCH 2/2] xen: fix pinning when not using split pte locks

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Message-ID: <20080910081027.GD15255@elte.hu>
Date:	Wed, 10 Sep 2008 10:10:27 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Alex Nixon <alex.nixon@...rix.com>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/2] xen: fix pinning when not using split pte locks


* Alex Nixon <alex.nixon@...rix.com> wrote:

> Jeremy Fitzhardinge wrote:
>> We only pin PTE pages when using split PTE locks, so don't do the
>> pin/unpin when attaching/detaching pte pages to a pinned pagetable.
>>
>> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
>> ---
>>   
> Cheers Jeremy - a better solution.  Worth mentioning - this doesn't  
> exist peacefully alongside my patch 965fe78fe
>
> Ingo - could you revert that please?

yes - that looked odd and un-ack-ed anyway - but i applied it [it's at 
the tail of x86/xen and easy to zap] because it solved a BUG_ON().

Btw., i suggested a different workflow to you in the past: please run 
Xen patches by Jeremy and ask him for Acks and Cc: him - thanks.

	Ingo
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